This 87T spur is a single-unit replacement crafted for the ENDURO SENDERO TRAIL TRUCK drivetrain and sits next to the motor pinion. It provides a straightforward swap for worn stock gears so the truck keeps predictable drive behaviour on technical terrain.
Material and role: made from hardened steel #45 to give greater wear resistance than typical plastic spurs, this gear keeps the same tooth profile and ratios while improving long term serviceability.
Installation and tuning notes: slide onto the standard spur shaft and set correct mesh with the motor pinion (摩打齒). Check that engagement is smooth along the tooth face and use shims as needed to control backlash. Make sure the gear is tightened and secured before running.
Includes: Spur Gear 1pcs
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